Channel 5 (UK) Documentaries - 2021x34 - Why Do I Put On Weight?- Followmy.tv

Five volunteers are subjected to a series of tests by a group of scientists from different fields in order to determine the medical causes of their weight gain. The researchers look into the effects of psychological stress, intestine hormones, and genetic factors, while the volunteers are given a diet and a course of cognitive behaviour therapy that are individually customised to address the problems that contributed to their weight gain.